<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    let arr = ['陈帅鹏','沈德亮','高嘉','17岁的陈志豪']
    arr.map(function(itme,index){
      console.log(itme);
      arr[index] = {uname:itme+'思密达'}
    })
    console.log(arr);
  </script>
</body>
</html>